128286500

素因数分解:

$2^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 294368256

約数和(自身を除く): 166081756

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 53, 94, 100, 103, 106, 125, 188, 206, 212, 235, 250, 265, 412, 470, 500, 515, 530, 940, 1030, 1060, 1175, 1325, 2060, 2350, 2491, 2575, 2650, 4700, 4841, 4982, 5150, 5300, 5459, 5875, 6625, 9682, 9964, 10300, 10918, 11750, 12455, 12875, 13250, 19364, 21836, 23500, 24205, 24910, 25750, 26500, 27295, 48410, 49820, 51500, 54590, 62275, 96820, 109180, 121025, 124550, 136475, 242050, 249100, 256573, 272950, 311375, 484100, 513146, 545900, 605125, 622750, 682375, 1026292, 1210250, 1245500, 1282865, 1364750, 2420500, 2565730, 2729500, 5131460, 6414325, 12828650, 25657300, 32071625, 64143250, 128286500]

約数ペア:

[(1, 128286500), (2, 64143250), (4, 32071625), (5, 25657300), (10, 12828650), (20, 6414325), (25, 5131460), (47, 2729500), (50, 2565730), (53, 2420500), (94, 1364750), (100, 1282865), (103, 1245500), (106, 1210250), (125, 1026292), (188, 682375), (206, 622750), (212, 605125), (235, 545900), (250, 513146), (265, 484100), (412, 311375), (470, 272950), (500, 256573), (515, 249100), (530, 242050), (940, 136475), (1030, 124550), (1060, 121025), (1175, 109180), (1325, 96820), (2060, 62275), (2350, 54590), (2491, 51500), (2575, 49820), (2650, 48410), (4700, 27295), (4841, 26500), (4982, 25750), (5150, 24910), (5300, 24205), (5459, 23500), (5875, 21836), (6625, 19364), (9682, 13250), (9964, 12875), (10300, 12455), (10918, 11750)]